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Finding the Fourth Proportional to 322,605.92, 483,857.04 and 100,989.92

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Solution

The fourth proportional to 322,605.92, 483,857.04 and 100,989.92 is: 151,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,605.92 : 483,857.04 = 100,989.92 : x
  2. Step 2: Convert to fraction form
    322,605.92/483,857.04 = 100,989.92/x
  3. Step 3: Cross multiply
    322,605.92x = 483,857.04 × 100,989.92
  4. Step 4: Simplify right side
    322,605.92x = 48,864,683,761.04
  5. Step 5: Solve for x
    x = 48,864,683,761.04/322,605.92
  6. Step 6: Final answer
    x = 151,468.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.